Cheap flights from London Heathrow Airport to Cairns from £443
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
13 Mar — 20 Mar1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in February or May, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to Cairns
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 February 2026.
Sun 15/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Thu 19/312:05
CNS
-
LHR
2 stops63h 25m
Multiple Airlines
Deal found 9/2£766
Thu 11/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Wed 17/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 11/2£841
Sun 15/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Sun 29/309:15
CNS
-
LHR
2 stops42h 25m
Multiple Airlines
Deal found 9/2£864
Sat 24/1021:20
LHR
-
CNS
2 stops47h 25m
Multiple Airlines
Sat 21/1119:15
CNS
-
LHR
2 stops32h 15m
Multiple Airlines
Deal found 10/2£906
Fri 22/522:00
LHR
-
CNS
3 stops37h 50m
Multiple Airlines
Sun 31/511:00
CNS
-
LHR
3 stops41h 30m
Multiple Airlines
Deal found 10/2£937
Mon 9/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Mon 16/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 9/2£944
Thu 5/321:00
LHR
-
CNS
2 stops49h 20m
Multiple Airlines
Sun 8/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 11/2£963
Mon 23/321:00
LHR
-
CNS
2 stops34h 30m
Multiple Airlines
Thu 23/409:10
CNS
-
LHR
2 stops66h 30m
Multiple Airlines
Deal found 9/2£965
Thu 26/222:05
LHR
-
CNS
1 stop25h 50m
Multiple Airlines
Sat 7/314:50
CNS
-
LHR
2 stops34h 10m
Multiple Airlines
Deal found 9/2£966
Thu 26/222:05
LHR
-
CNS
1 stop25h 50m
Multiple Airlines
Sun 8/311:45
CNS
-
LHR
2 stops37h 15m
Multiple Airlines
Deal found 10/2£968
Best flights from Heathrow to Cairns
Discover carefully curated flight deals from Heathrow to Cairns that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 February 2026.
Sun 15/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Thu 19/306:00
CNS
-
LHR
2 stops45h 30m
Multiple Airlines
Deal found 10/2£778
Thu 26/207:10
LHR
-
CNS
2 stops40h 45m
Cathay Pacific
Fri 6/311:35
CNS
-
LHR
2 stops37h 25m
Cathay Pacific
Deal found 9/2£996
Thu 5/310:40
LHR
-
CNS
1 stop20h 40m
Singapore Airlines
Sun 8/318:35
CNS
-
LHR
1 stop47h 05m
Singapore Airlines
Deal found 11/2£1,070
Thu 11/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Wed 17/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 11/2£841
Thu 5/321:00
LHR
-
CNS
2 stops49h 20m
Multiple Airlines
Sun 8/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 11/2£963
Wed 15/409:25
LHR
-
CNS
1 stop46h 35m
Singapore Airlines
Wed 13/518:15
CNS
-
LHR
1 stop30h 30m
Singapore Airlines
Deal found 8/2£1,075
Sun 15/321:45
LHR
-
CNS
1 stop57h 35m
Singapore Airlines
Sun 19/418:15
CNS
-
LHR
1 stop54h 30m
Singapore Airlines
Deal found 9/2£1,076
Thu 21/511:20
LHR
-
CNS
1 stop20h 40m
Multiple Airlines
Sun 31/512:35
CNS
-
LHR
3 stops39h 55m
Multiple Airlines
Deal found 11/2£1,021
Fri 22/522:15
LHR
-
CNS
2 stops31h 45m
Multiple Airlines
Mon 1/613:55
CNS
-
LHR
2 stops34h 20m
Multiple Airlines
Deal found 11/2£1,100
Last-minute flights from Heathrow to Cairns
Discover last-minute flight deals from Heathrow to Cairns. Data last updated 11 February 2026 and is based on user searches.
Thu 26/222:05
LHR
-
CNS
1 stop25h 50m
Multiple Airlines
Sat 7/314:50
CNS
-
LHR
2 stops34h 10m
Multiple Airlines
Deal found 9/2£966
Thu 26/220:15
LHR
-
CNS
1 stop27h 40m
Cathay Pacific
Fri 6/311:35
CNS
-
LHR
2 stops37h 25m
Cathay Pacific
Deal found 10/2£993
Thu 5/321:00
LHR
-
CNS
2 stops49h 20m
Multiple Airlines
Sun 8/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 11/2£963
Mon 9/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Mon 16/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 9/2£944
Sun 15/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Thu 19/312:05
CNS
-
LHR
2 stops63h 25m
Multiple Airlines
Deal found 9/2£766
Sun 15/321:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Sun 29/309:15
CNS
-
LHR
2 stops42h 25m
Multiple Airlines
Deal found 9/2£864
Mon 23/321:00
LHR
-
CNS
2 stops34h 30m
Multiple Airlines
Thu 23/409:10
CNS
-
LHR
2 stops66h 30m
Multiple Airlines
Deal found 9/2£965
One-way flights from Heathrow to Cairns
Search for one-way flight options from Heathrow to Cairns. Find affordable one-way fares based on user searches. Data last updated 11 February 2026.
Wed 4/321:30
LHR
-
CNS
3 stops46h 15m
Multiple Airlines
Deal found 11/2£443
Thu 5/306:35
LHR
-
CNS
3 stops37h 10m
Multiple Airlines
Deal found 11/2£465
Mon 2/321:10
LHR
-
CNS
3 stops46h 35m
Multiple Airlines
Deal found 11/2£484
Tue 3/306:35
LHR
-
CNS
3 stops37h 10m
Multiple Airlines
Deal found 11/2£485
Fri 6/306:35
LHR
-
CNS
3 stops37h 10m
Multiple Airlines
Deal found 11/2£509
Find flight deals from Heathrow to Cairns
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 February 2026.
Customise your flight search to find flights from Heathrow to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.
Fly from
Heathrow
Fly to
Cairns
Route
Depart
Return
Price
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 15/3
21:00-17:15
2 stops34h 15m
Cairns
Thu 19/3
06:00-17:30
2 stops45h 30m
£778
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 11/6
21:20-21:00
2 stops38h 40m
Cairns
Wed 17/6
06:45-18:40
2 stops44h 55m
£841
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 5/3
21:00-08:20
2 stops49h 20m
Cairns
Sun 8/3
14:35-17:30
2 stops36h 55m
£963
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 26/2
07:10-09:55
2 stops40h 45m
Cairns
Fri 6/3
11:35-15:00
2 stops37h 25m
£996
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 21/5
11:20-17:00
1 stop20h 40m
Cairns
Sun 31/5
12:35-19:30
3 stops39h 55m
£1,021
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 5/3
10:40-17:20
1 stop20h 40m
Cairns
Sun 8/3
18:35-07:40
1 stop47h 05m
£1,070
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Wed 15/4
09:25-17:00
1 stop46h 35m
Cairns
Wed 13/5
18:15-15:45
1 stop30h 30m
£1,075
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 15/3
21:45-17:20
1 stop57h 35m
Cairns
Sun 19/4
18:15-15:45
1 stop54h 30m
£1,076
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Fri 22/5
22:15-15:00
2 stops31h 45m
Cairns
Mon 1/6
13:55-15:15
2 stops34h 20m
£1,100
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Wed 4/3
21:30-05:45
3 stops46h 15m
£443
Flights are sorted by cheapest return flights first.
Deals found on 11/2
Showing 1-10 of 16 results
1
2
Best time to book a flight from Heathrow to Cairns
Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
LHR-CNS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Cairns
Prices
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Cairns?
Use this chart to determine the optimal time to book a return flight from Heathrow to Cairns. Price data was last updated on 6 February 2026.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Cairns?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £773). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,346). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How often are flights from London to Cairns delayed?
About 7% of weekly flights between London and Cairns have experienced delays in the past year, with the average delay time being 139 minutes.
What is the most punctual flight time for London to Cairns flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Cairns flights?
Over the past year, China Eastern have had the lowest number of delays on this route, with just 3% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Cairns?
Share of one-stop return flights from London Heathrow Airport to Cairns chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 88% of one-stop itineraries from London Heathrow Airport to Cairns on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Cairns?
Average return fare for one-stop flights from London Heathrow Airport to Cairns, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of £1,334.
What’s the fastest stopover option from London Heathrow Airport to Cairns?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Cairns, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 26h 13m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Cairns?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Cairns, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 6h 21m.
Reviews of airlines servicing Cairns
Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 11 February 2026.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andQantas Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Very kind staff to arrange my luggage and really appreciate all help.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Cairns from London Heathrow?
Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 3 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.
How long is the flight from London Heathrow Airport to Cairns?
A quick flight from London Heathrow Airport to Cairns can take about 27h 40m. Cathay Pacific provides one of the quickest options available for as low as £993. The distance from London Heathrow Airport to Cairns is about 9409 mi.
What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?
Our cheapest airline available from London Heathrow Airport to Cairns is Cathay Pacific. Our recent data shows that you can find tickets from as low as £800 on this airline. Additional options worth looking into are Singapore Airlines and Qantas Airways, starting at £939 and £1,272 round-trip. Cathay Pacific is 36% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for business class flights from Heathrow to Cairns?
Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Cairns?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £773). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,346). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Cairns departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 February 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 11 February 2026.
Discover the top 3 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 February 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Cairns?
Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Cairns with no change fees?
Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.